ghd Smooth & Finish Serum is a luxurious finishing serum that adds instant shine & lustre to hair with each application. BEST FOR... Adding shine & smoothness to straight styles; taming & defining curls & waves; controlling flyaway hair caused by static; disguising the appearance of split & dry ends. STYLE TIP... For extra smoothness in curly, frizzy & coarse hair, work some serum through your mid-lengths & ends whilst damp & then blow-dry & style. If you’re using other styling products on your damp hair, apply serum last & then blow-dry.